Table of Contents Previous topic Next topic
MICROPROCESSOR INSTRUCTION REFERENCE->NEGB
NEGB Negate (twos complement) Accumulator B
00 - B -> B
Condition Code Register:
C Set if result not equal to zero, else cleared
V Set if result equals %1000000, else cleared
Z Set if result Zero, else cleared
N Set if result Negative, else cleared
I Not affected
H Not affected
Addressing mode | Assembler syntax |
Implied: | NEGB |